CN112025342A - Bolt fastening type spanner clamp - Google Patents
Bolt fastening type spanner clamp Download PDFInfo
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- CN112025342A CN112025342A CN202010948282.3A CN202010948282A CN112025342A CN 112025342 A CN112025342 A CN 112025342A CN 202010948282 A CN202010948282 A CN 202010948282A CN 112025342 A CN112025342 A CN 112025342A
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- positioning
- wrench
- block
- bolt
- clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a bolt fastening type wrench clamp which comprises a clamp body, wherein a discharge groove for feeding a wrench main body is arranged on the upper surface of the clamp body, a first positioning part is arranged at the first end of the clamp body, a second positioning part is arranged at the second end of the clamp body, the first positioning part positions the front end face of a wrench head, and the second positioning part clamps and positions the side face and the bottom face of the wrench head; the second positioning part comprises a positioning holder, a plurality of groups of inclined plane positioning structures are arranged on the positioning holder, each inclined plane positioning structure mainly comprises a first transmission block and a positioning chuck, inclined planes which are matched with each other are arranged on the first transmission blocks and the positioning chucks, bolts are arranged on the first transmission blocks, and the bolts are spirally arranged in corresponding screw holes in the positioning holder. The clamping device can clamp and position the wrench main body more stably relative to the cylinder type clamp, and prevents the wrench main body from deviating during processing to influence the processing quality.
Description
Technical Field
The invention relates to the technical field of wrench machining, in particular to a bolt fastening type wrench clamp.
Background
The spanner is a common hardware tool and is a hand tool for screwing bolts, screws and the like by utilizing the lever principle. The production process of the wrench generally includes machining a blank to form a wrench body, and assembling a nut, a movable jaw, and the like to form a wrench finished product. As shown in the figure, the wrench main body includes a wrench head and a wrench handle, the wrench head has a front end face formed by machining, and a mounting hole and a sliding groove and the like extending downward from the top end face. The processing of spanner blank will be through milling, drawing groove, reaming etc. many processes, add man-hour needs to fix a position the spanner centre gripping, by spot facing work, draw groove equipment completion processing again, ensure that the machining precision is in certain extent. Because the structure of spanner main part is irregular, common cylinder anchor clamps among the prior art can't form firm centre gripping location to the spanner main part through in-service use, and the phenomenon of sliding frequently appears slackening in the course of working, has leaded to the defective index to show the increase, influences the efficiency and the quality of spanner production and processing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a clamp for clamping and positioning a wrench through a bolt, so that a more stable fastening state is formed during wrench machining, the yield is improved, and the wrench machining efficiency and quality are improved.
In order to achieve the above purpose, the present invention provides a bolt fastening type wrench clamp, the wrench includes a wrench main body, the wrench main body mainly includes a wrench head and a wrench handle, the wrench positioning clamp includes a clamp body, a discharge chute for loading the wrench main body is provided on the upper surface of the clamp body, a first end of the clamp body is provided with a first positioning portion, a second end of the clamp body is provided with a second positioning portion, the first positioning portion positions the front end surface of the wrench head, and the second positioning portion clamps and positions the side surface and the bottom surface of the wrench head; the second positioning part comprises a positioning holder, a plurality of groups of inclined plane positioning structures are arranged on the positioning holder, each inclined plane positioning structure mainly comprises a first transmission block and a positioning chuck, the first transmission block and the positioning chuck are provided with inclined planes which are matched with each other, a bolt is arranged on the first transmission block, and the bolt is spirally arranged in a corresponding threaded hole in the positioning holder.
Further, first transmission piece sets up and is door style of calligraphy, is in including relative setting two transmission arms of blowing groove both sides, the transmission arm passes through actuating arm body coupling, the first end of transmission arm is provided with the inclined plane, the middle part of actuating arm is provided with a connecting groove, the rotatable setting in bottom of bolt is in the connecting groove, the bottom an organic whole of location chuck is provided with the chuck connecting block, and the inclined plane on the location chuck is located the outside of chuck connecting block.
Further, the inclined plane location structure divides the three-layer to set up three groups, the both sides of anchor clamps body are provided with corresponding mounting groove, every layer the length of mounting groove is different, the driving arm the chuck connecting block and the part of location chuck all slides and sets up in corresponding the layer the mounting groove.
Furthermore, a horizontal first spring is further arranged on the inner side of the chuck connecting block, and the first spring is in elastic contact with the side wall of the wrench head.
Further, still be provided with slope location structure on the location holder, slope location structure include the second transmission piece and with second transmission piece sliding connection's kicking block, the first end shaping of second transmission piece has the slope, be provided with T type recess on the slope, the kicking block slope sets up, the bottom be provided with slide in T type lug in the T type recess, the second end setting of second transmission piece the mounting groove, one of them on the location holder the rotatable setting of tip of bolt is in the mounting groove of second transmission piece.
Furthermore, the middle of the driving arm is bent to form a semicircular structure, the driving arms on the top layer and the middle layer are bent upwards, the driving arm on the bottom layer is bent downwards, and the bolt of the second transmission block penetrates through a circular channel formed in the middle of the driving arms on the middle layer and the bottom layer.
Furthermore, the positioning chuck and the contact part of the top block and the wrench main body are both arranged in a rounding mode.
Furthermore, the first positioning portion comprises a positioning block and a positioning column, the positioning block is fixedly connected with the side wall of the discharging groove, a gap is reserved between the bottom end of the positioning block and the bottom of the discharging groove, the side wall of the positioning block is in contact positioning with the vertical part of the front end face, the end part of the positioning column is fixedly connected with the clamp body, and the middle part of the positioning column is in contact positioning with the horizontal part of the front end face.
Furthermore, the positioning blocks and the positioning columns are arranged in two groups and are distributed on two sides of the clamp base oppositely, the end parts of the positioning blocks and the positioning columns are fixedly connected with the side walls of two sides of the discharging groove respectively, gaps are reserved between the positioning blocks and the positioning columns, and the gaps correspond to the sliding grooves of the wrench head.
Furthermore, the tip shaping of blowing groove has the unloading slope, be provided with a bracing piece on the unloading slope, the activity of the both ends of bracing piece sets up on the lateral wall of blowing groove both sides, simultaneously through vertical second spring elastic support in the anchor clamps body.
The scheme of the invention has the following beneficial effects:
the bolt fastening type spanner clamp provided by the invention is provided with a layered inclined plane positioning structure and a layered slope positioning structure, clamps the spanner main body by integrating the bolt control inclined plane positioning structure and the slope positioning structure which are arranged on the positioning clamping seat, and is matched with positioning structures such as a positioning block, a positioning column and the like at the first end of the clamp body to form more stable clamping and positioning relative to the cylinder type clamp for the spanner main body, so that the spanner main body is prevented from being deviated during machining to influence the machining quality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention (hiding the clamp body and positioning clamp holder);
FIG. 3 is a detailed view of the first positioning portion of the present invention;
fig. 4 is a schematic structural detail view of the second positioning portion of the present invention.
[ description of reference ]
1-a wrench body; 2-wrench head; 3-pulling a handle; 4-front end face; 5-a chute; 6-a clamp body; 7-a discharge chute; 8-positioning the clamping seat; 9-a first transmission block; 10-positioning the chuck; 11-a transmission arm; 12-a drive arm; 13-a bolt; 14-a connecting trough; 15-chuck connecting block; 16-clamping the needle; 17-mounting grooves; 18-a first spring; 19-a second transmission block; 20-a top block; 21-positioning blocks; 22-a locating post; 23-fixing the jaw; 24-a blanking slope; 25-a support bar; 26-second spring.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a bolt-fastening type wrench jig, a wrench clamped by which includes a wrench main body 1. As shown in fig. 4, the wrench body 1 is mainly composed of a wrench head 2 and a wrench handle 3, and the wrench head 2 has a front end surface 4 formed by machining, and a mounting hole and a slide groove 5 extending downward from the top end surface. Spanner positioning fixture is as shown in fig. 1, including anchor clamps body 6, be provided with the storing trough 7 of spanner main part 1 material loading at the upper surface of anchor clamps body 6, spanner main part 1 passes through feed mechanism material loading to storing trough 7 in, by the first location portion of the first end setting of anchor clamps body 6 and the second location portion centre gripping location that the second end set up. Wherein, the first location portion is fixed a position to the preceding terminal surface 4 of spanner head 2, and the second location portion is to the side and the bottom surface centre gripping location of spanner head 2.
Meanwhile, as shown in fig. 2 and 3, the second positioning portion includes a positioning holder 8, a plurality of groups of inclined surface positioning structures are arranged on the positioning holder 8, and each inclined surface positioning structure mainly includes a first transmission block 9 and a positioning chuck 10. In this embodiment, first drive block 9 sets up to be door style of calligraphy, including relative two driving arms 11 that set up in storage trough 7 both sides, driving arm 11 is through the integrative connection of the actuating arm 12 of horizontal setting, and the first end of driving arm 11 is provided with the inclined plane, with the inclined plane sliding fit who corresponds on the location chuck 10. Be provided with bolt 13 on actuating arm 12, bolt 13 spiral setting is in the screw that corresponds on location holder 8, the middle part of actuating arm 12 is provided with a connecting groove 14 simultaneously, the rotatable setting in connecting groove 14 of the bottom of bolt 13, consequently, through twisting the steerable actuating arm 12 horizontal displacement of bolt 13, drive the 11 synchronous displacements of drive arm of both sides, the inclined plane drive of the tip of drive arm 11 is located the inside drawing close of location chuck 10 of 2 both sides of spanner head, press from both sides tight location to spanner head 2, form more stable connected state by bolt 13's locking force. The bottom end of the positioning chuck 10 is integrally provided with a chuck connecting block 15, the inclined plane is positioned outside the chuck connecting block 15, the positioning chuck 10 is plate-shaped, and the top end of the positioning chuck is provided with transversely distributed clamping needles 16.
In this embodiment, the inclined positioning structures are arranged in three groups, corresponding mounting grooves 17 are arranged on two sides of the clamp body 6, and the transmission arm 11 is inserted into the mounting grooves 17 from the second end of the clamp body 6. Wherein, the length of every layer of mounting groove 17 is different, and the corresponding transmission arm 11 length is also different, and the chuck connecting block 15 and the location chuck 10 of transmission arm 11 end connection all slide to set up in the first end of the mounting groove 17 that corresponds the layer, are respectively to the side centre gripping location of the different positions (highly all different with horizontal position) of spanner head 2.
In addition, a horizontal first spring 18 is arranged on the inner side of each chuck connecting block 15, the first spring 18 is in elastic contact with the side wall of the wrench head 2, so that when the positioning chuck 10 is clamped inward, the first spring 18 is compressed, thereby generating an elastic buffer effect on the clamping action of the positioning chuck 10 to reduce the obvious hard collision force, and the positioning chuck 10 can automatically reset when the bolt 13 unscrews the positioning chuck 10.
In this embodiment, a slope positioning structure is further disposed on the positioning holder 8, and includes a second transmission block 19 and a top block 20 slidably connected to the second transmission block 19, a slope is formed at a first end of the second transmission block 19, and a T-shaped groove is disposed on the slope. The top block 20 is in an inclined state, and the bottom end of the top block is provided with a T-shaped convex block which slides in the T-shaped groove and can keep a sliding connection state. The second end of the second driving block 19 is also provided with a mounting groove 17, the end of one of the bolts 13 on the positioning holder 8 is rotatably arranged in the mounting groove 17 of the second driving block 19, and the horizontal position of the second driving block 19 is also controlled by the bolt 13, so that the displacement of the top block 20 is controlled. Since the T-shaped groove and the T-shaped projection are not completely fitted to each other, the inclination angle of the ejector 20 can be adjusted to a small extent corresponding to the inclined portion of the bottom surface of the wrench head 2 to apply a tightening force to the wrench head 2 in the forward and upward direction.
In this embodiment, the middle of the driving arm 12 is bent to form a semicircular structure, the top and middle driving arms 12 are bent upward, the bottom driving arm 12 is bent downward, and the bolt 13 of the second transmission block 19 passes through the circular channel formed by the middle of the middle and bottom driving arms 12. Through the mode, the stacking distribution of the first transmission block 9 and the second transmission block 19 is more compact, the bolts 13 can be uniformly and alignedly arranged on the positioning clamping seat 8, the arrangement space of the clamp is reduced, meanwhile, each bolt 13 can be conveniently screwed, and the operation convenience is improved.
In addition, the end of the clamp pin 16 of the positioning chuck 10 and the top end of the top block 20, namely, the part contacted with the wrench body 1 are all arranged in a rounding way in the embodiment, so that the irregularity of the surface shape of the wrench head 2 is adapted, and the smooth contact point is ensured. Because the contact part is arranged in a rounding way, the single group of inclined plane positioning structures can possibly cause the phenomenon of unstable clamping, and therefore the plurality of groups of inclined plane positioning structures are arranged in the embodiment and are matched with each other to improve the clamping stability.
Meanwhile, as shown in fig. 4, the first positioning portion includes a positioning block 21 and a positioning column 22, the positioning block 22 is fixedly connected with the side wall of the discharging groove 7, a gap is reserved between the bottom end of the positioning block 22 and the bottom of the discharging groove 7, when the wrench body 1 is loaded along the discharging groove 7, the fixed jaw 23 at the front end of the wrench body 1 is partially inserted into the gap, and the side wall of the positioning block 21 is in contact positioning with the vertical portion of the front end face 4. The end of the positioning column 22 is fixedly connected to the clamp body 6, and when the fixed jaw 23 is inserted into the gap, the middle of the positioning column 22 is positioned in contact with the horizontal portion of the front end surface 4, i.e. the upper surface of the fixed jaw 23. Therefore, the positioning block 21 and the positioning column 22 are matched to completely position the front end surface of the wrench head 2 in the longitudinal direction, and the front upper jacking force exerted by the slope positioning structure is matched with the rear lower reaction force generated by the first positioning part to generate a clamping effect.
In this embodiment, the positioning blocks 21 and the positioning columns 22 are disposed in two sets, and are distributed on two sides of the fixture body 6 relatively, and the end portions of the positioning blocks and the end portions of the positioning columns are respectively fixedly connected with the side walls on two sides of the material discharge chute 7. Meanwhile, gaps are reserved between the positioning block 21 and the positioning column 22 and correspond to the sliding grooves 5 of the wrench head 2, so that the gaps can give up the space for feeding or retracting the groove cutter when the wrench main body 1 is clamped by the clamp and the groove cutter is fed, and the sliding grooves 5 on the front end face 4 can be smoothly machined.
In this embodiment, the discharging chute 7 is formed with a discharging slope 24 at an end thereof, and when the wrench body 1 is loaded to a second end of the discharging slope 24, the wrench body can automatically slide down along the discharging slope 24 under the action of gravity, so that the fixing jaw 23 is inserted into a gap between the positioning block 21 and the discharging chute 7. Meanwhile, a supporting rod 25 is arranged on the discharging slope 24, and two ends of the supporting rod 25 are movably arranged on the side walls of two sides of the discharging groove 7 and can move up and down. The clamp body 6 is also provided with a second spring 26, and a channel arranged on the second spring is communicated with a channel at the end part of the support rod 25 to elastically support two ends of the support rod 25. Therefore, the wrench handle 3 falls over the support rod 25 and is elastically supported by the support rod 25 when the wrench body 1 is loaded, so as to prevent the end of the wrench handle 3 from rigidly colliding with the clamp body 6.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A bolt fastening type spanner clamp comprises a spanner main body, wherein the spanner main body mainly comprises a spanner head and a spanner handle, and is characterized in that the spanner positioning clamp comprises a clamp body, a material discharging groove for feeding the spanner main body is formed in the upper surface of the clamp body, a first positioning part is arranged at a first end of the clamp body, a second positioning part is arranged at a second end of the clamp body, the first positioning part positions the front end face of the spanner head, and the second positioning part clamps and positions the side face and the bottom face of the spanner head; the second positioning part comprises a positioning holder, a plurality of groups of inclined plane positioning structures are arranged on the positioning holder, each inclined plane positioning structure mainly comprises a first transmission block and a positioning chuck, the first transmission block and the positioning chuck are provided with inclined planes which are matched with each other, a bolt is arranged on the first transmission block, and the bolt is spirally arranged in a corresponding threaded hole in the positioning holder.
2. The bolt-fastened wrench clamp according to claim 1, wherein the first transmission block is arranged in a shape like a Chinese character 'men', and includes two transmission arms oppositely arranged at two sides of the discharge chute, the transmission arms are integrally connected through a driving arm, a first end of each transmission arm is provided with an inclined surface, a middle part of the driving arm is provided with a connecting groove, the bottom end of the bolt is rotatably arranged in the connecting groove, a bottom end of the positioning chuck is integrally provided with a chuck connecting block, and the inclined surface on the positioning chuck is located at the outer side of the chuck connecting block.
3. The bolt-fastened wrench clamp according to claim 2, wherein the inclined positioning structures are arranged in three groups of three layers, corresponding mounting grooves are formed in two sides of the clamp body, the mounting grooves in each layer are different in length, and the transmission arm, the chuck connecting block and the positioning chuck are slidably disposed in the mounting grooves in the corresponding layer.
4. The bolt-fastened wrench clamp according to claim 3, wherein a horizontal first spring is further provided at an inner side of the collet connecting block, the first spring being in elastic contact with a side wall of the wrench head.
5. The bolt-fastened wrench clamp according to claim 4, wherein the positioning holder is further provided with a slope positioning structure, the slope positioning structure includes a second transmission block and a top block slidably connected to the second transmission block, a slope is formed at a first end of the second transmission block, a T-shaped groove is formed in the slope, the top block is arranged in an inclined manner, a T-shaped projection sliding in the T-shaped groove is arranged at a bottom end of the top block, the second end of the second transmission block is provided with the mounting groove, and one end of the bolt on the positioning holder is rotatably arranged in the mounting groove of the second transmission block.
6. The bolt-fastened wrench clamp of claim 5, wherein the middle portions of the driving arms are bent to form a semicircular structure, the driving arms of the top and middle layers are bent upward, the driving arms of the bottom layer are bent downward, and the bolts of the second driving block pass through circular passages formed at the middle portions of the driving arms of the middle and bottom layers.
7. The bolt-fastened wrench clamp according to claim 6, wherein the positioning collet and a portion of the top block that contacts the wrench body are rounded.
8. The bolt-fastened wrench clamp according to claim 1, wherein the first positioning portion includes a positioning block and a positioning post, the positioning block is fixedly connected to a side wall of the discharging groove, a gap is left between a bottom end of the positioning block and a bottom of the discharging groove, the side wall of the positioning block is in contact with a vertical portion of the front end surface for positioning, an end portion of the positioning post is fixedly connected to the clamp body, and a middle portion of the positioning post is in contact with a horizontal portion of the front end surface for positioning.
9. The bolt-fastened wrench clamp according to claim 8, wherein the positioning blocks and the positioning posts are disposed in two sets and distributed on two sides of the clamp base, the ends of the positioning blocks and the positioning posts are respectively fixedly connected to the sidewalls of two sides of the material-discharging slot, and a gap is left between the positioning blocks and the positioning posts, and the gap corresponds to the sliding slot of the wrench head.
10. The bolt-fastened wrench clamp according to claim 1, wherein a discharging slope is formed at an end of the discharging groove, a support rod is disposed on the discharging slope, and both ends of the support rod are movably disposed on side walls of both sides of the discharging groove and are elastically supported by a second spring vertically disposed in the clamp body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010948282.3A CN112025342B (en) | 2020-09-10 | 2020-09-10 | Bolt fastening type spanner clamp |
Applications Claiming Priority (1)
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CN202010948282.3A CN112025342B (en) | 2020-09-10 | 2020-09-10 | Bolt fastening type spanner clamp |
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CN112025342A true CN112025342A (en) | 2020-12-04 |
CN112025342B CN112025342B (en) | 2021-09-24 |
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CN202010948282.3A Active CN112025342B (en) | 2020-09-10 | 2020-09-10 | Bolt fastening type spanner clamp |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE20317793U1 (en) * | 2003-11-18 | 2004-04-01 | Wilhelm Altendorf Gmbh & Co. Kg | Clamping device for machining tools |
CN201168936Y (en) * | 2008-01-16 | 2008-12-24 | 张家港玉成精机有限公司 | Clamp for clamping adjustable spanner |
CN101905426A (en) * | 2010-07-02 | 2010-12-08 | 张家港玉成精机有限公司 | Square hole pulling clamp of adjustable spanner |
CN205254614U (en) * | 2015-12-18 | 2016-05-25 | 山东九鑫机械工具有限公司 | Special frock of monkey wrench milling flutes |
CN107538254A (en) * | 2017-09-21 | 2018-01-05 | 安徽力成机械装备有限公司 | A kind of propeller shaft yoke milling hydraulically operated fixture |
CN109794629A (en) * | 2019-03-28 | 2019-05-24 | 邵东智能制造技术研究院有限公司 | Spanner automatic drilling equipment |
CN111618619A (en) * | 2020-06-10 | 2020-09-04 | 邵东智能制造技术研究院有限公司 | Wrench positioning clamp and positioning clamping method |
-
2020
- 2020-09-10 CN CN202010948282.3A patent/CN112025342B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20317793U1 (en) * | 2003-11-18 | 2004-04-01 | Wilhelm Altendorf Gmbh & Co. Kg | Clamping device for machining tools |
CN201168936Y (en) * | 2008-01-16 | 2008-12-24 | 张家港玉成精机有限公司 | Clamp for clamping adjustable spanner |
CN101905426A (en) * | 2010-07-02 | 2010-12-08 | 张家港玉成精机有限公司 | Square hole pulling clamp of adjustable spanner |
CN205254614U (en) * | 2015-12-18 | 2016-05-25 | 山东九鑫机械工具有限公司 | Special frock of monkey wrench milling flutes |
CN107538254A (en) * | 2017-09-21 | 2018-01-05 | 安徽力成机械装备有限公司 | A kind of propeller shaft yoke milling hydraulically operated fixture |
CN109794629A (en) * | 2019-03-28 | 2019-05-24 | 邵东智能制造技术研究院有限公司 | Spanner automatic drilling equipment |
CN111618619A (en) * | 2020-06-10 | 2020-09-04 | 邵东智能制造技术研究院有限公司 | Wrench positioning clamp and positioning clamping method |
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